protected override PathGeometry GetPathGeometry(SweepSection s, RenderTarget t)
{
var pbegin = CalIntersectionPoint(s.Begin + RotateAngle);
var pend = CalIntersectionPoint(s.End + RotateAngle);
PathGeometry sweepSectionGraphic = t.Factory.CreatePathGeometry();
GeometrySink gs = sweepSectionGraphic.Open();
Point2F oPoint = ReferenceSystem.ScreenOriginalPoint.ToPoint2F();
gs.BeginFigure(oPoint, FigureBegin.Filled);
gs.AddLine(pbegin.ToPoint2F());
//扇形的X轴Y轴半径是矩形框width的一半
SizeF size = new SizeF((float)ReferenceSystem.ScreenWidth / 2, (float)ReferenceSystem.ScreenWidth / 2);
//添加弧线
ArcSegment arc = new ArcSegment(pend.ToPoint2F(), size, 0, SweepDirection.Clockwise, ArcSize.Small);
gs.AddArc(arc);
//添加第二条线
gs.AddLine(oPoint);
gs.EndFigure(FigureEnd.Closed);
gs.Close();
gs.Dispose();
return(sweepSectionGraphic);
}
public override PathGeometry BuildWaveGateGeometry(Point2F position1, Point2F position2)
{
Point2F innerLeft, outterLeft, outterRight, innerRight;
PathGeometry waveGate = Factory.CreatePathGeometry();
float mouseBeginAngle = Tools.AngleToNorth(OriginalPoint, position1);
float mouseEndAngle = Tools.AngleToNorth(OriginalPoint, position2);
float begin = Tools.FindSmallArcBeginAngle(mouseBeginAngle, mouseEndAngle);
float end = Tools.FindSmallArcEndAngle(mouseBeginAngle, mouseEndAngle);
float mouseBeginDis = (float)Tools.DistanceBetween(OriginalPoint, position1);
float mouseEndDis = (float)Tools.DistanceBetween(OriginalPoint, position2);
Point2F mouseBeginZoomed = RadiusWiseZoomPosition(position1, mouseEndDis);
Point2F mouseDragZoomed = RadiusWiseZoomPosition(position2, mouseBeginDis);
if (begin == mouseBeginAngle) //扇形在鼠标点击一侧开始顺时针扫过
{
if (mouseBeginDis < mouseEndDis) //鼠标向外拖
{
innerLeft = position1;
outterLeft = mouseBeginZoomed;
outterRight = position2;
innerRight = mouseDragZoomed;
}
else //鼠标向内拖
{
innerLeft = mouseBeginZoomed;
outterLeft = position1;
outterRight = mouseDragZoomed;
innerRight = position2;
}
}
else //扇形在鼠标拖动一侧开始顺时针扫过
{
if (mouseBeginDis < mouseEndDis) //鼠标向外拖
{
innerLeft = mouseDragZoomed;
outterLeft = position2;
outterRight = mouseBeginZoomed;
innerRight = position1;
}
else //鼠标向内拖
{
innerLeft = position2;
outterLeft = mouseDragZoomed;
outterRight = position1;
innerRight = mouseBeginZoomed;
}
}
GeometrySink gs = waveGate.Open();
gs.BeginFigure(innerLeft, FigureBegin.Filled);
gs.AddLine(outterLeft);
float disMax = Math.Max(mouseBeginDis, mouseEndDis);
float disMin = Math.Min(mouseBeginDis, mouseEndDis);
Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF size = new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF(disMax, disMax);
ArcSegment arc = new ArcSegment(outterRight, size, 0, SweepDirection.Clockwise, ArcSize.Small);
gs.AddArc(arc);
gs.AddLine(innerRight);
size = new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF(disMin, disMin);
arc = new ArcSegment(innerLeft, size, 0, SweepDirection.Counterclockwise, ArcSize.Small);
gs.AddArc(arc);
gs.EndFigure(FigureEnd.Closed);
gs.Close();
return(waveGate);
}
public static PathGeometry GetPathGeometry(RenderTarget t, PointF OriginalPoint, PointF p1, PointF p2)
{
Point2F innerLeft, outterLeft, outterRight, innerRight;
PathGeometry waveGate = t.Factory.CreatePathGeometry();
double mouseBeginAngle = Functions.AngleToNorth(OriginalPoint, p1);
double mouseEndAngle = Functions.AngleToNorth(OriginalPoint, p2);
double begin = Functions.FindSmallArcBeginAngle(mouseBeginAngle, mouseEndAngle);
double end = Functions.FindSmallArcEndAngle(mouseBeginAngle, mouseEndAngle);
double mouseBeginDis = (float)Functions.DistanceBetween(OriginalPoint.ToPoint2F(), p1.ToPoint2F());
double mouseEndDis = (float)Functions.DistanceBetween(OriginalPoint.ToPoint2F(), p2.ToPoint2F());
Point2F mouseBeginZoomed = RadiusWiseZoomPosition(p1, mouseEndDis, OriginalPoint);
Point2F mouseDragZoomed = RadiusWiseZoomPosition(p2, mouseBeginDis, OriginalPoint);
if (begin == mouseBeginAngle) //扇形在鼠标点击一侧开始顺时针扫过
{
if (mouseBeginDis < mouseEndDis) //鼠标向外拖
{
innerLeft = p1.ToPoint2F();
outterLeft = mouseBeginZoomed;
outterRight = p2.ToPoint2F();
innerRight = mouseDragZoomed;
}
else //鼠标向内拖
{
innerLeft = mouseBeginZoomed;
outterLeft = p1.ToPoint2F();
outterRight = mouseDragZoomed;
innerRight = p2.ToPoint2F();
}
}
else //扇形在鼠标拖动一侧开始顺时针扫过
{
if (mouseBeginDis < mouseEndDis) //鼠标向外拖
{
innerLeft = mouseDragZoomed;
outterLeft = p2.ToPoint2F();
outterRight = mouseBeginZoomed;
innerRight = p1.ToPoint2F();
}
else //鼠标向内拖
{
innerLeft = p2.ToPoint2F();
outterLeft = mouseDragZoomed;
outterRight = p1.ToPoint2F();
innerRight = mouseBeginZoomed;
}
}
GeometrySink gs = waveGate.Open();
gs.BeginFigure(innerLeft, FigureBegin.Filled);
gs.AddLine(outterLeft);
double disMax = Math.Max(mouseBeginDis, mouseEndDis);
double disMin = Math.Min(mouseBeginDis, mouseEndDis);
Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF size = new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF((float)disMax, (float)disMax);
ArcSegment arc = new ArcSegment(outterRight, size, 0, SweepDirection.Clockwise, ArcSize.Small);
gs.AddArc(arc);
gs.AddLine(innerRight);
size = new Microsoft.WindowsAPICodePack.DirectX.Direct2D1.SizeF((float)disMin, (float)disMin);
arc = new ArcSegment(innerLeft, size, 0, SweepDirection.Counterclockwise, ArcSize.Small);
gs.AddArc(arc);
gs.EndFigure(FigureEnd.Closed);
gs.Close();
gs.Dispose();
return(waveGate);
}
